draw_set_circle_precision(0);
draw_set_color(c_yellow);
for (i = 0; i < 100; i += 1)
{
    pollenalpha[i] += 0.03;
    truepollenalpha[i] = pollenalpha[i];
    if (pollenalpha[i] >= 2)
        truepollenalpha[i] = 4 - pollenalpha[i];
    pollenx[i] += (pollenhspeed[i] * truepollenalpha[i]) / 4;
    polleny[i] += (pollenvspeed[i] * truepollenalpha[i]) / 4;
    if (truepollenalpha[i] <= 0)
    {
        pollenx[i] = random(room_width);
        polleny[i] = random(room_height);
        pollensize[i] = random(3) + 1;
        pollenhspeed[i] = random(2) - 1;
        pollenvspeed[i] = random(2) - 1;
        pollenalpha[i] = 0;
    }
    draw_set_alpha(truepollenalpha[i]);
    draw_circle(pollenx[i], polleny[i], pollensize[i], 0);
}
draw_set_alpha(1);